Merge branch 'master' into ui-key

Author: alexcjohnson

appveyor.yml

@@ -0,0 +1,14 @@
+environment:
+  nodejs_version: "10"
+
+install:
+  - ps: Install-Product node $env:nodejs_version
+  # faster than `npm install`
+  - npm ci
+
+test_script:
+  - node --version
+  - npm --version
+  - npm run test-jasmine -- lib --IE11
+
+build: off

build/plotcss.js

@@ -32,8 +32,8 @@ var rules = {
     "X .cursor-ne-resize": "cursor:ne-resize;",
     "X .cursor-grab": "cursor:-webkit-grab;cursor:grab;",
     "X .modebar": "position:absolute;top:2px;right:2px;z-index:1001;",
-    "X .modebar--hover": "opacity:0;-webkit-transition:opacity 0.3s ease 0s;-moz-transition:opacity 0.3s ease 0s;-ms-transition:opacity 0.3s ease 0s;-o-transition:opacity 0.3s ease 0s;transition:opacity 0.3s ease 0s;",
-    "X:hover .modebar--hover": "opacity:1;",
+    "X .modebar--hover>:not(.watermark)": "opacity:0;-webkit-transition:opacity 0.3s ease 0s;-moz-transition:opacity 0.3s ease 0s;-ms-transition:opacity 0.3s ease 0s;-o-transition:opacity 0.3s ease 0s;transition:opacity 0.3s ease 0s;",
+    "X:hover .modebar--hover .modebar-group": "opacity:1;",
     "X .modebar-group": "float:left;display:inline-block;box-sizing:border-box;margin-left:8px;position:relative;vertical-align:middle;white-space:nowrap;",
     "X .modebar-btn": "position:relative;font-size:16px;padding:3px 4px;height:22px;cursor:pointer;line-height:normal;box-sizing:border-box;",
     "X .modebar-btn svg": "position:relative;top:2px;",